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  1. marcpreston

    Ground bearing pressure

    please remove thread.
  2. marcpreston

    Ground bearing pressure

    At work i have been asked to design a foundation were vehicles drive over. The worst case is the vehicle wheel on the edge of the foundation. It is central in the other direction. The eccentricity is outside the middle third therefore 2/3 x Rv/x formula does not apply as x is zero. If there...
  3. marcpreston

    New Analysis/Design Software

    Masterseries is a widely used program. If you want to resreach into that program.
  4. marcpreston

    Inclination Factors

    I am using meyernofs bearing capacity equation and meyernofs inclination factors to calculate bearing capacity . The angle of internal friction is zero. How does this effect calculating iy? Would it be counted as zero and the shape of the foundation not counted in the bearing capacity equation?
  5. marcpreston

    Cohesionless soil

    If there was cohesion but no internal friction.
  6. marcpreston

    Cohesionless soil

    I written it wrong. If there was cohesion but internal friction.
  7. marcpreston

    Cohesionless soil

    I am analysing a soil which has a cohesion value of 0Kn/m2. The soil is a granular material. I am trying to analyse the foundation in sliding. When calculating sliding the formula is Rv tan angle of friction/Rh If you take out the angle of friction the formula becomes Rv/Rh This results in...
  8. marcpreston

    Retaining walll design

    I have been asked to design a small retaining wall. Tests have shown effective cohesion to be 20kn/m2. Soil unit weight 18kn/m3 The problem is the retaining wall is only 1m high. When calculating the thrust I am using the formula = (Ka*soilunitweight*H)-(2*c*(Ka^1/2)) Bells solution The...
  9. marcpreston

    Ground bearing pressure-retaining wall and reinforcement problem

    i have calculated the sliding and overturning factors. And it comes out at 1.63.
  10. marcpreston

    Ground bearing pressure-retaining wall and reinforcement problem

    I have been asked to design a retaining wall. I need to check the ground bearing pressure. The retainiing wall is shown in the pdf C35 reinforced concrete is used. Surrchagre taken as 10kn/m2. DOT type 1 slag taken as 18kn/m3. How do i calculate the maximum bearing presure? The allowable is...

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